Noctilucent clouds in a night sky over water. These frail, glistening clouds occur at night in areas of high latitude. They generally form at altitude

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Noctilucent clouds in a night sky over water. These frail, glistening clouds occur at night in areas of high latitude. They generally form at altitudes of around 80 kilometres, much higher than normal clouds. They may be composed of ice crystals or dust particles. Photographed in Finland.

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Size: 5150px × 3466px
Photo credit: © PEKKA PARVIAINEN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: altitude, atmosphere, atmospheric, climate, cloud, clouds, cloudy, crystal, crystals, dusk, dust, evening, finland, finnish, high, high-alititude, horizon, ice, lake, meteorological, meteorology, nature, night, noctilucent, rare, river, setting, silhouette, silhouetted, silhouettes, sky, sunset, tree, trees, twilight, types, water, weather